Dennis Chookaszian is Director at CME GROUP INC. (CME). They have made 13 open-market trades across 6 companies since 2006, most recently 2026-05-21.
CIK 0001120026
13 open-market purchases totalling $1.2M since 2006, never a sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| INSW | 105,283 | $11.6M |
| PRDO | 142,570 | $4.8M |
| CME | 4,106 | $1.2M |
| MDRX | 127,567 | $869K |
| CECO | 14,619 | $829K |
| PRLE | 117,651 | — |
| PRZM | 417,457 | — |
| PTNT | 314,288 | — |
| SAPE | 7,326 | — |
| Total | $19.3M |
Shares reported on the most recent Form 4, priced at the 2026-05-26 close. 4 holdings could not be priced and are excluded from the total.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| PRLE | BUY | 2019-03-29 | 2019-04-01 | $2.80 | $6K | N/A | N/A | N/A |
| PRZM | BUY | 2017-02-06 | 2017-02-09 | $0.33 | $29K | N/A | N/A | N/A |
| PRZM | BUY | 2017-02-06 | 2017-02-09 | $0.33 | $17K | N/A | N/A | N/A |
| PRZM | BUY | 2017-02-03 | 2017-02-07 | $0.35 | $11K | N/A | N/A | N/A |
| PRZM | BUY | 2017-01-18 | 2017-01-20 | $0.33 | $2K | N/A | N/A | N/A |
| PRZM | BUY | 2017-01-17 | 2017-01-18 | $0.34 | $6K | N/A | N/A | N/A |
| PRZM | BUY | 2017-01-03 | 2017-01-06 | $0.29 | $581 | N/A | N/A | N/A |
| PRZM | BUY | 2016-12-30 | 2017-01-04 | $0.28 | $3K | N/A | N/A | N/A |
| PTNT | BUY | 2014-12-08 | 2014-12-08 | $3.00 | $330K | N/A | N/A | N/A |
| MDRX | BUY | 2014-11-13 | 2014-11-17 | $12.43 | $124K | -4.5% | -3.5% | -3.5% |
| MDRX | BUY | 2013-03-12 | 2013-03-13 | $12.53 | $501K | -4.5% | -3.5% | -3.5% |
| CECO | BUY | 2010-11-12 | 2010-11-15 | $17.50 | $123K | -8.7% | -2.9% | -2.9% |
| INSW | BUY | 2006-11-27 | 2006-11-29 | $2.42 | $30K | +3.7% | -9.8% | -9.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.